Filename: //usr/include/rdma////mlx4-abi.h

/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef MLX4_ABI_USER_H #define MLX4_ABI_USER_H #include <linux/types.h> /* * Increment this value if any changes that break userspace ABI * compatibility are made. */ #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 #define MLX4_IB_UVERBS_ABI_VERSION 4 /* * Make sure that all structs defined in this file remain laid out so * that they pack the same way on 32-bit and 64-bit architectures (to * avoid incompatibility between 32-bit userspace and 64-bit kernels). * In particular do not use pointer types -- pass pointers in __u64 * instead. */ struct mlx4_ib_alloc_ucontext_resp_v3 { __u32 qp_tab_size; __u16 bf_reg_size; __u16 bf_regs_per_page; }; enum { MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0, }; struct mlx4_ib_alloc_ucontext_resp { __u32 dev_caps; __u32 qp_tab_size; __u16 bf_reg_size; __u16 bf_regs_per_page; __u32 cqe_size; }; struct mlx4_ib_alloc_pd_resp { __u32 pdn; __u32 reserved; }; struct mlx4_ib_create_cq { __aligned_u64 buf_addr; __aligned_u64 db_addr; }; struct mlx4_ib_create_cq_resp { __u32 cqn; __u32 reserved; }; struct mlx4_ib_resize_cq { __aligned_u64 buf_addr; }; struct mlx4_ib_create_srq { __aligned_u64 buf_addr; __aligned_u64 db_addr; }; struct mlx4_ib_create_srq_resp { __u32 srqn; __u32 reserved; }; struct mlx4_ib_create_qp_rss { __aligned_u64 rx_hash_fields_mask; /* Use enum mlx4_ib_rx_hash_fields */ __u8 rx_hash_function; /* Use enum mlx4_ib_rx_hash_function_flags */ __u8 reserved[7]; __u8 rx_hash_key[40]; __u32 comp_mask; __u32 reserved1; }; struct mlx4_ib_create_qp { __aligned_u64 buf_addr; __aligned_u64 db_addr; __u8 log_sq_bb_count; __u8 log_sq_stride; __u8 sq_no_prefetch; __u8 reserved; __u32 inl_recv_sz; }; struct mlx4_ib_create_wq { __aligned_u64 buf_addr; __aligned_u64 db_addr; __u8 log_range_size; __u8 reserved[3]; __u32 comp_mask; }; struct mlx4_ib_modify_wq { __u32 comp_mask; __u32 reserved; }; struct mlx4_ib_create_rwq_ind_tbl_resp { __u32 response_length; __u32 reserved; }; /* RX Hash function flags */ enum mlx4_ib_rx_hash_function_flags { MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, }; /* * RX Hash flags, these flags allows to set which incoming packet's field should * participates in RX Hash. Each flag represent certain packet's field, * when the flag is set the field that is represented by the flag will * participate in RX Hash calculation. */ enum mlx4_ib_rx_hash_fields { MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0, MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1, MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2, MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3, MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4, MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5, MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6, MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7, MLX4_IB_RX_HASH_INNER = 1ULL << 31, }; struct mlx4_ib_rss_caps { __aligned_u64 rx_hash_fields_mask; /* enum mlx4_ib_rx_hash_fields */ __u8 rx_hash_function; /* enum mlx4_ib_rx_hash_function_flags */ __u8 reserved[7]; }; enum query_device_resp_mask { MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, }; struct mlx4_ib_tso_caps { __u32 max_tso; /* Maximum tso payload size in bytes */ /* Corresponding bit will be set if qp type from * 'enum ib_qp_type' is supported. */ __u32 supported_qpts; }; struct mlx4_uverbs_ex_query_device_resp { __u32 comp_mask; __u32 response_length; __aligned_u64 hca_core_clock_offset; __u32 max_inl_recv_sz; __u32 reserved; struct mlx4_ib_rss_caps rss_caps; struct mlx4_ib_tso_caps tso_caps; }; #endif /* MLX4_ABI_USER_H */

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